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Deprecate some SocksPort sub-options.

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This commit is contained in:
Nick Mathewson 2016-08-03 12:24:04 -04:00
parent 9b6ff4c882
commit f3314aa6e1
1 changed files with 20 additions and 0 deletions
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20
src/or/config.c
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@ -6186,6 +6186,20 @@ config_parse_unix_port(const char *addrport, char **path_out)
}
#endif /* defined(HAVE_SYS_UN_H) */
static void
warn_client_dns_cache(const char *option, int disabling)
{
if (disabling)
return;
warn_deprecated_option(option,
"Client-side DNS cacheing enables a wide variety of route-"
"capture attacks. If a single bad exit node lies to you about "
"an IP address, cacheing that address would make you visit "
"an address of the attacker's choice every time you connected "
"to your destination.");
}
/**
* Parse port configuration for a single port type.
*
@ -6554,21 +6568,27 @@ parse_port_config(smartlist_t *out,
}
}
if (!strcasecmp(elt, "CacheIPv4DNS")) {
warn_client_dns_cache(elt, no);
cache_ipv4 = ! no;
continue;
} else if (!strcasecmp(elt, "CacheIPv6DNS")) {
warn_client_dns_cache(elt, no);
cache_ipv6 = ! no;
continue;
} else if (!strcasecmp(elt, "CacheDNS")) {
warn_client_dns_cache(elt, no);
cache_ipv4 = cache_ipv6 = ! no;
continue;
} else if (!strcasecmp(elt, "UseIPv4Cache")) {
warn_client_dns_cache(elt, no);
use_cached_ipv4 = ! no;
continue;
} else if (!strcasecmp(elt, "UseIPv6Cache")) {
warn_client_dns_cache(elt, no);
use_cached_ipv6 = ! no;
continue;
} else if (!strcasecmp(elt, "UseDNSCache")) {
warn_client_dns_cache(elt, no);
use_cached_ipv4 = use_cached_ipv6 = ! no;
continue;
} else if (!strcasecmp(elt, "PreferIPv6Automap")) {